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G1251

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Katharina Koch et al.
Cell death discovery, 6, 20-20 (2020-04-28)
Cancer cells upregulate anabolic processes to maintain high rates of cellular turnover. Limiting the supply of macromolecular precursors by targeting enzymes involved in biosynthesis is a promising strategy in cancer therapy. Several tumors excessively metabolize glutamine to generate precursors for...
Jill Harned et al.
Biochimica et biophysica acta, 1840(10), 3138-3144 (2014-06-28)
Blood-barrier systems are essential in controlling iron levels in organs such as the brain and eye, both of which experience hypoxia in pathological conditions. While hypoxia's effects on numerous iron regulatory and storage proteins have been studied, little is known...
Yohei Okubo
Brain and nerve = Shinkei kenkyu no shinpo, 65(6), 651-658 (2013-06-06)
Glutamate is the major excitatory neurotransmitter in the mammalian brain. The conventional view is that glutamate mediates synaptically confined point-to-point transmission at excitatory synapses. However, glutamate has also been suggested to escape from the synaptic cleft and mediate volume transmission...
K Aktories et al.
Biochimie, 77(5), 326-332 (1995-01-01)
Various C3-like ADP-ribosyltransferases like Clostridium botulinum exoenzyme C3, C limosum transferase, B cereus transferase and a transferase from Staphylococcus aureus (EDIN) selectively modify the low-molecular mass GTP-binding proteins RhoA,B,C. UV-irradiation of C limosum transferase in the presence of [carbonyl-14C]NAD resulted...
Nicoletta Croce et al.
Journal of psychopharmacology (Oxford, England), 28(10), 964-972 (2014-04-05)
One of the common effects of lithium (Li) and valproic acid (VPA) is their ability to protect against excitotoxic insults. Neurodegenerative and neuropsychiatric diseases may be also associated with altered trophic support of brain-derived neurotrophic factor (BDNF), the most widely...
K Mross et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 6(3), 517-526 (1988-03-01)
Pharmacokinetics of doxorubicin (DOX), epidoxorubicin (EPI), and their metabolites in plasma have been performed in eight patients receiving 40 to 56 mg/m2 of both anthracyclines as a bolus injection in two sequential cycles. Terminal half-life and volume of distribution appeared...
Wen Zhang et al.
Frontiers in psychiatry, 11, 515-515 (2020-06-26)
Amino acid neurotransmitters have been shown to correlate with Tourette syndrome (TS) and its comorbidities. In this study, we investigated the effects of Jian-Pi-Zhi-Dong Decoction (JPZDD), a formula containing 10 different Chinese medical herbs, on amino acid neurotransmitters in rats....
Sebastien Alaux et al.
Journal of medicinal chemistry, 48(25), 7980-7992 (2005-12-13)
A series of nine L-2,4-syn-4-alkylglutamic acid analogues (1a-i) were synthesized in high yield and high enantiomeric excess (>99% ee) from their corresponding 4-substituted ketoglutaric acids (2a-i), using the enzyme aspartate aminotransferase (AAT) from pig heart or E. coli. The synthesized...
H Nørrelund et al.
Journal of internal medicine, 260(1), 11-21 (2006-06-23)
It is well known that chronic heart failure (CHF) is associated with insulin resistance and cachexia, but little is known about the underlying substrate metabolism. The present study was undertaken to identify disturbances of basal glucose, lipid and protein metabolism....
Amino acids: metabolism, functions, and nutrition.
Wu G
Amino Acids, 37(1), 1-17 (2009)
Gang Liu et al.
Molecular medicine reports, 12(3), 3297-3308 (2015-05-23)
The present study aimed to examine the neurophysiological mechanisms of the 2,6-diisopropylphenol and N-methyl-D-aspartate (NMDA) receptor antagonist against learning and memory impairment, induced by electroconvulsive therapy (ECT). A total of 48 adult depressed rats without olfactory bulbs were randomly divided...
Kaoru Beppu et al.
Nihon rinsho. Japanese journal of clinical medicine, 72(12), 2243-2249 (2014-12-19)
Astrocytes respond to neuronal activity. However, whether astrocytic activity has any significance in brain function is unknown. Signaling pathway leading from astrocytes to neurons would be required for astrocytes to participate in neuronal functions and, here, we investigated the presence...
Marijke De Bock et al.
Biochimica et biophysica acta, 1843(10), 2211-2232 (2014-04-29)
For decades, studies have been focusing on the neuronal abnormalities that accompany neurodegenerative disorders. Yet, glial cells are emerging as important players in numerous neurological diseases. Astrocytes, the main type of glia in the central nervous system , form extensive...
Roberto Pellicciari et al.
Journal of medicinal chemistry, 50(19), 4630-4641 (2007-08-30)
Bioisosteric replacements of the distal acidic group of L-glutamic acid (L-Glu, 1) and conformational constraining of its carbon skeleton, have been widely exploited to discover competitive modulators of glutamate receptors. Noteworthy, L-homocysteic acid (L-HCA, 18), a neurotransmitter belonging to the...
Christopher M Brennan et al.
PloS one, 9(10), e109879-e109879 (2014-10-31)
The RNA chaperone Hfq fulfills important roles in small regulatory RNA (sRNA) function in many bacteria. Loss of Hfq in the dissimilatory metal reducing bacterium Shewanella oneidensis strain MR-1 results in slow exponential phase growth and a reduced terminal cell...
Shin-Ichi Akanuma et al.
Biological & pharmaceutical bulletin, 38(6), 901-908 (2015-06-02)
L-Glutamate (L-Glu) is known to be a relaxant of pericytes and to induce changes in microcirculatory hemodynamics. Since the concentration of L-Glu which induces the dilation of retinal capillaries is reported to be high compared with the estimated concentration in...
J D Shoemaker et al.
Journal of chromatography, 562(1-2), 125-138 (1991-01-02)
Eighty-five clinical urine samples and nineteen urine samples previously found by other laboratories to suggest genetic metabolic defects were prepared for trimethylsilylation by treatment with urease, followed by azeotropic dehydration. The "Target Analyte Search" program provided with the VG Trio...
Qing Cheng et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(1), 124-133 (2014-01-02)
Nicotinic acetylcholine receptors (nAChRs) are expressed widely in the CNS, and mediate both synaptic and perisynaptic activities of endogenous cholinergic inputs and pharmacological actions of exogenous compounds (e.g., nicotine and choline). Behavioral studies indicate that nicotine improves such cognitive functions...
S M Evans et al.
The West Indian medical journal, 44(4), 119-123 (1995-12-01)
The role of glutamic acid (glutamate) in the pathogenesis of stroke is now fairly well established. As a result, many drugs which act on glutamate receptors are currently under investigation for their ability to prevent the damage induced by glutamate...
Xandor M Spijkers et al.
Scientific reports, 11(1), 2080-2080 (2021-01-24)
We report a method to generate a 3D motor neuron model with segregated and directed axonal outgrowth. iPSC-derived motor neurons are cultured in extracellular matrix gel in a microfluidic platform. Neurons extend their axons into an adjacent layer of gel...
Sabine Ruehle et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(25), 10264-10277 (2013-06-21)
A major goal in current neuroscience is to understand the causal links connecting protein functions, neural activity, and behavior. The cannabinoid CB1 receptor is expressed in different neuronal subpopulations, and is engaged in fine-tuning excitatory and inhibitory neurotransmission. Studies using...
Hiromi Yoshida et al.
The FEBS journal, 281(14), 3150-3164 (2014-05-23)
l-Ribose, a pentose, is not known to exist in nature. Although organisms typically do not have a metabolic pathway that uses l-ribose as a carbon source, prokaryotes use various sugars as carbon sources for survival. Acinetobacter sp. DL-28 has been...
James J Fleming et al.
Bioorganic & medicinal chemistry, 18(4), 1381-1387 (2010-01-26)
AMPA receptors are a family of ligand-gated ion channels that play central roles in rapid neural signaling and in regulation of synaptic strength. Additionally, these receptors are implicated in a number of major psychiatric and neurological diseases. A comprehensive understanding...
Anders A Jensen et al.
Journal of medicinal chemistry, 50(17), 4177-4185 (2007-08-04)
Four 2-substituted Tet-AMPA [Tet = tetrazolyl, AMPA = 2-amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic acid] analogues were characterized functionally at the homomeric AMPA receptors GluR1i, GluR2Qi, GluR3i, and GluR4i in a Fluo-4/Ca2+ assay. Whereas 2-Et-Tet-AMPA, 2-Pr-Tet-AMPA, and 2-iPr-Tet-AMPA were nonselective GluR agonists, 2-Bn-Tet-AMPA exhibited a...
Wangfa Zhao et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(1), 308-315 (2015-01-09)
Stimulation of group I mGluRs elicits several forms of translation-dependent neuronal plasticity including epileptogenesis. The translation process underlying plasticity induction is controlled by repressors including the fragile X mental retardation protein (FMRP). In the absence of FMRP-mediated repression, a condition...
Shu-ichi Nakano et al.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry, 20(6), 1049-1058 (2015-07-30)
Cellular ribozymes exhibit catalytic activity in media containing large numbers of anionic compounds and macromolecules. In this study, the RNA cleavage activity of the hammerhead ribozyme induced by Mg(2+) was investigated using the solutions containing background nucleic acids, small phosphate...
Mayumi Yamada et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(14), 4786-4800 (2014-04-04)
In the cerebellum, the bHLH transcription factors Ptf1a and Atoh1 are expressed in distinct neuroepithelial regions, the ventricular zone (VZ) and the rhombic lip (RL), and are required for producing GABAergic and glutamatergic neurons, respectively. However, it is unclear whether...
Yumi Hayashi et al.
The Journal of biological chemistry, 289(15), 10530-10539 (2014-02-27)
The Lol system comprising five Lol proteins, LolA through LolE, sorts Escherichia coli lipoproteins to outer membranes. The LolCDE complex, an ATP binding cassette transporter in inner membranes, releases outer membrane-specific lipoproteins in an ATP-dependent manner, causing formation of the...
Hunter Cuchiaro et al.
Journal of agricultural and food chemistry, 67(19), 5672-5679 (2019-04-25)
The analysis of protein in algal biomass is one of the most critical areas of commercial development of algae characterization for nutritional or other high value applications. A new rapid and accurate method is required that can be widely implemented...
Raimund Helbok et al.
Journal of neurology, neurosurgery, and psychiatry, 86(1), 79-86 (2014-04-18)
Recent evidence suggests axonal injury after aneurysmal subarachnoid haemorrhage (aSAH). The microtubule-associated protein, tau, has been shown to be elevated in the cerebrospinal fluid after aSAH, however, brain extracellular tau levels and their relation to long-term neurological and cognitive outcomes...
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